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mirror of https://github.com/MariaDB/server.git synced 2025-09-02 09:41:40 +03:00

Merge XtraDB 6 with latest MariaDB 5.1

This commit is contained in:
unknown
2009-08-03 22:19:12 +02:00
377 changed files with 207029 additions and 187 deletions

View File

@@ -32,6 +32,7 @@ USE events_conn1_test2;
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test2';
COUNT(*)
50
SET @old_event_scheduler=@@event_scheduler;
SET GLOBAL event_scheduler=on;
DROP DATABASE events_conn1_test2;
SET GLOBAL event_scheduler=off;
@@ -63,3 +64,4 @@ DROP TABLE fill_it1;
DROP TABLE fill_it2;
DROP TABLE fill_it3;
DROP DATABASE events_test;
SET GLOBAL event_scheduler=@old_event_scheduler;

View File

@@ -111,7 +111,7 @@ count(*)
explain select count(*) from t1 where
key1a = 2 and key1b is null and key2a = 2 and key2b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 4 Using intersect(i1,i2); Using where; Using index
1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 3 Using intersect(i1,i2); Using where; Using index
select count(*) from t1 where
key1a = 2 and key1b is null and key2a = 2 and key2b is null;
count(*)
@@ -119,7 +119,7 @@ count(*)
explain select count(*) from t1 where
key1a = 2 and key1b is null and key3a = 2 and key3b is null;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 4 Using intersect(i1,i3); Using where; Using index
1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 3 Using intersect(i1,i3); Using where; Using index
select count(*) from t1 where
key1a = 2 and key1b is null and key3a = 2 and key3b is null;
count(*)

View File

@@ -42,7 +42,7 @@ WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND
table_name<>'ndb_binlog_index' AND
table_name<>'ndb_apply_status' AND
NOT (table_schema = 'INFORMATION_SCHEMA' AND table_name LIKE 'PBXT_%');
select * from v1;
select * from v1 ORDER BY c COLLATE utf8_bin;
c
CHARACTER_SETS
COLLATIONS
@@ -54,6 +54,19 @@ EVENTS
FILES
GLOBAL_STATUS
GLOBAL_VARIABLES
INNODB_BUFFER_POOL_PAGES
INNODB_BUFFER_POOL_PAGES_BLOB
INNODB_BUFFER_POOL_PAGES_INDEX
INNODB_CMP
INNODB_CMPMEM
INNODB_CMPMEM_RESET
INNODB_CMP_RESET
INNODB_INDEX_STATS
INNODB_LOCKS
INNODB_LOCK_WAITS
INNODB_RSEG
INNODB_TABLE_STATS
INNODB_TRX
KEY_COLUMN_USAGE
PARTITIONS
PLUGINS
@@ -72,6 +85,7 @@ TABLE_PRIVILEGES
TRIGGERS
USER_PRIVILEGES
VIEWS
XTRADB_ENHANCEMENTS
columns_priv
db
event
@@ -87,6 +101,11 @@ proc
procs_priv
servers
slow_log
t1
t2
t3
t4
t5
tables_priv
time_zone
time_zone_leap_second
@@ -94,11 +113,6 @@ time_zone_name
time_zone_transition
time_zone_transition_type
user
t1
t4
t2
t3
t5
v1
select c,table_name from v1
inner join information_schema.TABLES v2 on (v1.c=v2.table_name)
@@ -800,6 +814,8 @@ TABLES CREATE_TIME datetime
TABLES UPDATE_TIME datetime
TABLES CHECK_TIME datetime
TRIGGERS CREATED datetime
INNODB_TRX trx_started datetime
INNODB_TRX trx_wait_started datetime
event execute_at datetime
event last_executed datetime
event starts datetime
@@ -848,6 +864,9 @@ TABLES TABLE_NAME select
TABLE_CONSTRAINTS TABLE_NAME select
TABLE_PRIVILEGES TABLE_NAME select
VIEWS TABLE_NAME select
INNODB_BUFFER_POOL_PAGES_INDEX table_name select
INNODB_INDEX_STATS table_name select
INNODB_TABLE_STATS table_name select
delete from mysql.user where user='mysqltest_4';
delete from mysql.db where user='mysqltest_4';
flush privileges;
@@ -1223,12 +1242,12 @@ DROP PROCEDURE p1;
DROP USER mysql_bug20230@localhost;
SELECT MAX(table_name) FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test');
MAX(table_name)
VIEWS
XTRADB_ENHANCEMENTS
SELECT table_name from information_schema.tables
WHERE table_name=(SELECT MAX(table_name)
FROM information_schema.tables WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test'));
table_name
VIEWS
XTRADB_ENHANCEMENTS
DROP TABLE IF EXISTS bug23037;
DROP FUNCTION IF EXISTS get_value;
SELECT COLUMN_NAME, MD5(COLUMN_DEFAULT), LENGTH(COLUMN_DEFAULT) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='bug23037';

View File

@@ -29,7 +29,21 @@ TABLE_PRIVILEGES
TRIGGERS
USER_PRIVILEGES
VIEWS
INNODB_BUFFER_POOL_PAGES
PBXT_STATISTICS
INNODB_CMP
INNODB_RSEG
XTRADB_ENHANCEMENTS
INNODB_BUFFER_POOL_PAGES_INDEX
INNODB_INDEX_STATS
INNODB_TRX
INNODB_CMP_RESET
INNODB_LOCK_WAITS
INNODB_CMPMEM_RESET
INNODB_LOCKS
INNODB_CMPMEM
INNODB_TABLE_STATS
INNODB_BUFFER_POOL_PAGES_BLOB
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
@@ -73,7 +87,21 @@ TABLE_PRIVILEGES TABLE_SCHEMA
TRIGGERS TRIGGER_SCHEMA
USER_PRIVILEGES GRANTEE
VIEWS TABLE_SCHEMA
INNODB_BUFFER_POOL_PAGES page_type
PBXT_STATISTICS ID
INNODB_CMP page_size
INNODB_RSEG rseg_id
XTRADB_ENHANCEMENTS name
INNODB_BUFFER_POOL_PAGES_INDEX schema_name
INNODB_INDEX_STATS table_name
INNODB_TRX trx_id
INNODB_CMP_RESET page_size
INNODB_LOCK_WAITS requesting_trx_id
INNODB_CMPMEM_RESET page_size
INNODB_LOCKS lock_id
INNODB_CMPMEM page_size
INNODB_TABLE_STATS table_name
INNODB_BUFFER_POOL_PAGES_BLOB space_id
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
@@ -117,7 +145,21 @@ TABLE_PRIVILEGES TABLE_SCHEMA
TRIGGERS TRIGGER_SCHEMA
USER_PRIVILEGES GRANTEE
VIEWS TABLE_SCHEMA
INNODB_BUFFER_POOL_PAGES page_type
PBXT_STATISTICS ID
INNODB_CMP page_size
INNODB_RSEG rseg_id
XTRADB_ENHANCEMENTS name
INNODB_BUFFER_POOL_PAGES_INDEX schema_name
INNODB_INDEX_STATS table_name
INNODB_TRX trx_id
INNODB_CMP_RESET page_size
INNODB_LOCK_WAITS requesting_trx_id
INNODB_CMPMEM_RESET page_size
INNODB_LOCKS lock_id
INNODB_CMPMEM page_size
INNODB_TABLE_STATS table_name
INNODB_BUFFER_POOL_PAGES_BLOB space_id
select 1 as f1 from information_schema.tables where "CHARACTER_SETS"=
(select cast(table_name as char) from information_schema.tables
order by table_name limit 1) limit 1;
@@ -149,6 +191,19 @@ EVENTS information_schema.EVENTS 1
FILES information_schema.FILES 1
GLOBAL_STATUS information_schema.GLOBAL_STATUS 1
GLOBAL_VARIABLES information_schema.GLOBAL_VARIABLES 1
INNODB_BUFFER_POOL_PAGES information_schema.INNODB_BUFFER_POOL_PAGES 1
INNODB_BUFFER_POOL_PAGES_BLOB information_schema.INNODB_BUFFER_POOL_PAGES_BLOB 1
INNODB_BUFFER_POOL_PAGES_INDEX information_schema.INNODB_BUFFER_POOL_PAGES_INDEX 1
INNODB_CMP information_schema.INNODB_CMP 1
INNODB_CMPMEM information_schema.INNODB_CMPMEM 1
INNODB_CMPMEM_RESET information_schema.INNODB_CMPMEM_RESET 1
INNODB_CMP_RESET information_schema.INNODB_CMP_RESET 1
INNODB_INDEX_STATS information_schema.INNODB_INDEX_STATS 1
INNODB_LOCKS information_schema.INNODB_LOCKS 1
INNODB_LOCK_WAITS information_schema.INNODB_LOCK_WAITS 1
INNODB_RSEG information_schema.INNODB_RSEG 1
INNODB_TABLE_STATS information_schema.INNODB_TABLE_STATS 1
INNODB_TRX information_schema.INNODB_TRX 1
KEY_COLUMN_USAGE information_schema.KEY_COLUMN_USAGE 1
PARTITIONS information_schema.PARTITIONS 1
PBXT_STATISTICS information_schema.PBXT_STATISTICS 1
@@ -168,6 +223,7 @@ TABLE_PRIVILEGES information_schema.TABLE_PRIVILEGES 1
TRIGGERS information_schema.TRIGGERS 1
USER_PRIVILEGES information_schema.USER_PRIVILEGES 1
VIEWS information_schema.VIEWS 1
XTRADB_ENHANCEMENTS information_schema.XTRADB_ENHANCEMENTS 1
Database: information_schema
+---------------------------------------+
| Tables |
@@ -200,7 +256,21 @@ Database: information_schema
| TRIGGERS |
| USER_PRIVILEGES |
| VIEWS |
| INNODB_BUFFER_POOL_PAGES |
| PBXT_STATISTICS |
| INNODB_CMP |
| INNODB_RSEG |
| XTRADB_ENHANCEMENTS |
| INNODB_BUFFER_POOL_PAGES_INDEX |
| INNODB_INDEX_STATS |
| INNODB_TRX |
| INNODB_CMP_RESET |
| INNODB_LOCK_WAITS |
| INNODB_CMPMEM_RESET |
| INNODB_LOCKS |
| INNODB_CMPMEM |
| INNODB_TABLE_STATS |
| INNODB_BUFFER_POOL_PAGES_BLOB |
+---------------------------------------+
Database: INFORMATION_SCHEMA
+---------------------------------------+
@@ -234,7 +304,21 @@ Database: INFORMATION_SCHEMA
| TRIGGERS |
| USER_PRIVILEGES |
| VIEWS |
| INNODB_BUFFER_POOL_PAGES |
| PBXT_STATISTICS |
| INNODB_CMP |
| INNODB_RSEG |
| XTRADB_ENHANCEMENTS |
| INNODB_BUFFER_POOL_PAGES_INDEX |
| INNODB_INDEX_STATS |
| INNODB_TRX |
| INNODB_CMP_RESET |
| INNODB_LOCK_WAITS |
| INNODB_CMPMEM_RESET |
| INNODB_LOCKS |
| INNODB_CMPMEM |
| INNODB_TABLE_STATS |
| INNODB_BUFFER_POOL_PAGES_BLOB |
+---------------------------------------+
Wildcard: inf_rmation_schema
+--------------------+
@@ -244,5 +328,5 @@ Wildcard: inf_rmation_schema
+--------------------+
SELECT table_schema, count(*) FROM information_schema.TABLES WHERE table_schema IN ('mysql', 'INFORMATION_SCHEMA', 'test', 'mysqltest') AND table_name<>'ndb_binlog_index' AND table_name<>'ndb_apply_status' GROUP BY TABLE_SCHEMA;
table_schema count(*)
information_schema 29
information_schema 43
mysql 22

View File

@@ -0,0 +1,2 @@
Variable_name Value
innodb_stats_sample_pages 1

View File

@@ -581,11 +581,10 @@ c1
DROP TABLE t1;
SET @@SESSION.AUTO_INCREMENT_INCREMENT=1, @@SESSION.AUTO_INCREMENT_OFFSET=1;
SET @@INSERT_ID=1;
SHOW VARIABLES LIKE "%auto_inc%";
SHOW VARIABLES LIKE "auto_inc%";
Variable_name Value
auto_increment_increment 1
auto_increment_offset 1
pbxt_auto_increment_mode 0
CREATE TABLE t1 (c1 DOUBLE NOT NULL AUTO_INCREMENT, c2 INT, PRIMARY KEY (c1)) ENGINE=InnoDB;
INSERT INTO t1 VALUES(NULL, 1);
INSERT INTO t1 VALUES(NULL, 2);

File diff suppressed because it is too large Load Diff

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@@ -0,0 +1,116 @@
create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=ucs2;
insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe');
commit;
alter table t1 add unique index (b);
ERROR 23000: Duplicate entry '2' for key 'b'
insert into t1 values(8,9,'fff','fff');
select * from t1;
a b c d
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`d` varchar(20) DEFAULT NULL,
PRIMARY KEY (`a`)
) ENGINE=InnoDB DEFAULT CHARSET=ucs2
alter table t1 add index (b);
insert into t1 values(10,10,'kkk','iii');
select * from t1;
a b c d
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
10 10 kkk iii
select * from t1 force index(b) order by b;
a b c d
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
10 10 kkk iii
explain select * from t1 force index(b) order by b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL b 5 NULL 6
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`d` varchar(20) DEFAULT NULL,
PRIMARY KEY (`a`),
KEY `b` (`b`)
) ENGINE=InnoDB DEFAULT CHARSET=ucs2
alter table t1 add unique index (c), add index (d);
insert into t1 values(11,11,'aaa','mmm');
select * from t1;
a b c d
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
10 10 kkk iii
11 11 aaa mmm
select * from t1 force index(b) order by b;
a b c d
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
10 10 kkk iii
11 11 aaa mmm
select * from t1 force index(c) order by c;
a b c d
11 11 aaa mmm
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
10 10 kkk iii
select * from t1 force index(d) order by d;
a b c d
1 1 ab ab
2 2 ac ac
3 2 ad ad
4 4 afe afe
8 9 fff fff
10 10 kkk iii
11 11 aaa mmm
explain select * from t1 force index(b) order by b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL b 5 NULL 7
explain select * from t1 force index(c) order by c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL c 21 NULL 7
explain select * from t1 force index(d) order by d;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL d 43 NULL 7
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) DEFAULT NULL,
`c` char(10) DEFAULT NULL,
`d` varchar(20) DEFAULT NULL,
PRIMARY KEY (`a`),
UNIQUE KEY `c` (`c`),
KEY `b` (`b`),
KEY `d` (`d`)
) ENGINE=InnoDB DEFAULT CHARSET=ucs2
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;

View File

@@ -0,0 +1,38 @@
set global innodb_lock_wait_timeout=42;
select @@innodb_lock_wait_timeout;
@@innodb_lock_wait_timeout
42
set innodb_lock_wait_timeout=1;
select @@innodb_lock_wait_timeout;
@@innodb_lock_wait_timeout
1
select @@innodb_lock_wait_timeout;
@@innodb_lock_wait_timeout
42
set global innodb_lock_wait_timeout=347;
select @@innodb_lock_wait_timeout;
@@innodb_lock_wait_timeout
42
set innodb_lock_wait_timeout=1;
select @@innodb_lock_wait_timeout;
@@innodb_lock_wait_timeout
1
select @@innodb_lock_wait_timeout;
@@innodb_lock_wait_timeout
347
create table t1(a int primary key)engine=innodb;
begin;
insert into t1 values(1),(2),(3);
select * from t1 for update;
commit;
a
1
2
3
begin;
insert into t1 values(4);
select * from t1 for update;
commit;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
drop table t1;
set global innodb_lock_wait_timeout=50;

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@@ -0,0 +1,48 @@
SELECT @@GLOBAL.innodb_use_sys_malloc;
@@GLOBAL.innodb_use_sys_malloc
1
1 Expected
SET @@GLOBAL.innodb_use_sys_malloc=0;
ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable
Expected error 'Read only variable'
SELECT @@GLOBAL.innodb_use_sys_malloc;
@@GLOBAL.innodb_use_sys_malloc
1
1 Expected
drop table if exists t1;
create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
insert into t1 values (1),(2),(3),(4),(5),(6),(7);
select * from t1;
a
1
2
3
4
5
6
7
drop table t1;
SELECT @@GLOBAL.innodb_use_sys_malloc;
@@GLOBAL.innodb_use_sys_malloc
1
1 Expected
SET @@GLOBAL.innodb_use_sys_malloc=0;
ERROR HY000: Variable 'innodb_use_sys_malloc' is a read only variable
Expected error 'Read only variable'
SELECT @@GLOBAL.innodb_use_sys_malloc;
@@GLOBAL.innodb_use_sys_malloc
1
1 Expected
drop table if exists t1;
create table t1(a int not null) engine=innodb DEFAULT CHARSET=latin1;
insert into t1 values (1),(2),(3),(4),(5),(6),(7);
select * from t1;
a
1
2
3
4
5
6
7
drop table t1;

View File

@@ -0,0 +1,421 @@
set global innodb_file_per_table=off;
set global innodb_file_format=`0`;
create table t0(a int primary key) engine=innodb row_format=compressed;
Warnings:
Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table.
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
create table t00(a int primary key) engine=innodb
key_block_size=4 row_format=compressed;
Warnings:
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=4.
Warning 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table.
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
create table t1(a int primary key) engine=innodb row_format=dynamic;
Warnings:
Warning 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table.
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
create table t2(a int primary key) engine=innodb row_format=redundant;
create table t3(a int primary key) engine=innodb row_format=compact;
create table t4(a int primary key) engine=innodb key_block_size=9;
Warnings:
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9.
create table t5(a int primary key) engine=innodb
key_block_size=1 row_format=redundant;
Warnings:
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1.
set global innodb_file_per_table=on;
create table t6(a int primary key) engine=innodb
key_block_size=1 row_format=redundant;
Warnings:
Warning 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1.
set global innodb_file_format=`1`;
create table t7(a int primary key) engine=innodb
key_block_size=1 row_format=redundant;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED.
create table t8(a int primary key) engine=innodb
key_block_size=1 row_format=fixed;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED.
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
create table t9(a int primary key) engine=innodb
key_block_size=1 row_format=compact;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED.
create table t10(a int primary key) engine=innodb
key_block_size=1 row_format=dynamic;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=1 unless ROW_FORMAT=COMPRESSED.
create table t11(a int primary key) engine=innodb
key_block_size=1 row_format=compressed;
create table t12(a int primary key) engine=innodb
key_block_size=1;
create table t13(a int primary key) engine=innodb
row_format=compressed;
create table t14(a int primary key) engine=innodb key_block_size=9;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=9.
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t0 Compact
test t00 Compact
test t1 Compact
test t10 Dynamic
test t11 Compressed
test t12 Compressed
test t13 Compressed
test t14 Compact
test t2 Redundant
test t3 Compact
test t4 Compact
test t5 Redundant
test t6 Redundant
test t7 Redundant
test t8 Compact
test t9 Compact
drop table t0,t00,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14;
alter table t1 key_block_size=0;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0.
alter table t1 row_format=dynamic;
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t1 Dynamic
alter table t1 row_format=compact;
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t1 Compact
alter table t1 row_format=redundant;
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t1 Redundant
drop table t1;
create table t1(a int not null, b text, index(b(10))) engine=innodb
key_block_size=1;
create table t2(b text)engine=innodb;
insert into t2 values(concat('1abcdefghijklmnopqrstuvwxyz', repeat('A',5000)));
insert into t1 select 1, b from t2;
commit;
begin;
update t1 set b=repeat('B',100);
select a,left(b,40) from t1 natural join t2;
a left(b,40)
1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA
rollback;
select a,left(b,40) from t1 natural join t2;
a left(b,40)
1 1abcdefghijklmnopqrstuvwxyzAAAAAAAAAAAAA
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t1 Compressed
test t2 Compact
drop table t1,t2;
SET SESSION innodb_strict_mode = off;
CREATE TABLE t1(
c TEXT NOT NULL, d TEXT NOT NULL,
PRIMARY KEY (c(767),d(767)))
ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII;
ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs
CREATE TABLE t1(
c TEXT NOT NULL, d TEXT NOT NULL,
PRIMARY KEY (c(767),d(767)))
ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=2 CHARSET=ASCII;
ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs
CREATE TABLE t1(
c TEXT NOT NULL, d TEXT NOT NULL,
PRIMARY KEY (c(767),d(767)))
ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 CHARSET=ASCII;
drop table t1;
CREATE TABLE t1(c TEXT, PRIMARY KEY (c(440)))
ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII;
ERROR 42000: Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. You have to change some columns to TEXT or BLOBs
CREATE TABLE t1(c TEXT, PRIMARY KEY (c(438)))
ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=1 CHARSET=ASCII;
INSERT INTO t1 VALUES(REPEAT('A',512)),(REPEAT('B',512));
DROP TABLE t1;
create table t1( c1 int not null, c2 blob, c3 blob, c4 blob,
primary key(c1, c2(22), c3(22)))
engine = innodb row_format = dynamic;
begin;
insert into t1 values(1, repeat('A', 20000), repeat('B', 20000),
repeat('C', 20000));
update t1 set c3 = repeat('D', 20000) where c1 = 1;
commit;
select count(*) from t1 where c2 = repeat('A', 20000);
count(*)
1
select count(*) from t1 where c3 = repeat('D', 20000);
count(*)
1
select count(*) from t1 where c4 = repeat('C', 20000);
count(*)
1
update t1 set c3 = repeat('E', 20000) where c1 = 1;
drop table t1;
set global innodb_file_format=`0`;
select @@innodb_file_format;
@@innodb_file_format
Antelope
set global innodb_file_format=`1`;
select @@innodb_file_format;
@@innodb_file_format
Barracuda
set global innodb_file_format=`2`;
ERROR HY000: Incorrect arguments to SET
set global innodb_file_format=`-1`;
ERROR HY000: Incorrect arguments to SET
set global innodb_file_format=`Antelope`;
set global innodb_file_format=`Barracuda`;
set global innodb_file_format=`Cheetah`;
ERROR HY000: Incorrect arguments to SET
set global innodb_file_format=`abc`;
ERROR HY000: Incorrect arguments to SET
set global innodb_file_format=`1a`;
ERROR HY000: Incorrect arguments to SET
set global innodb_file_format=``;
ERROR HY000: Incorrect arguments to SET
set global innodb_file_per_table = on;
set global innodb_file_format = `1`;
set innodb_strict_mode = off;
create table t1 (id int primary key) engine = innodb key_block_size = 0;
Warnings:
Warning 1478 InnoDB: ignoring KEY_BLOCK_SIZE=0.
drop table t1;
set innodb_strict_mode = on;
create table t1 (id int primary key) engine = innodb key_block_size = 0;
ERROR HY000: Can't create table 'test.t1' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 0. Valid values are [1, 2, 4, 8, 16]
Error 1005 Can't create table 'test.t1' (errno: 1478)
create table t2 (id int primary key) engine = innodb key_block_size = 9;
ERROR HY000: Can't create table 'test.t2' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16]
Error 1005 Can't create table 'test.t2' (errno: 1478)
create table t3 (id int primary key) engine = innodb key_block_size = 1;
create table t4 (id int primary key) engine = innodb key_block_size = 2;
create table t5 (id int primary key) engine = innodb key_block_size = 4;
create table t6 (id int primary key) engine = innodb key_block_size = 8;
create table t7 (id int primary key) engine = innodb key_block_size = 16;
create table t8 (id int primary key) engine = innodb row_format = compressed;
create table t9 (id int primary key) engine = innodb row_format = dynamic;
create table t10(id int primary key) engine = innodb row_format = compact;
create table t11(id int primary key) engine = innodb row_format = redundant;
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t10 Compact
test t11 Redundant
test t3 Compressed
test t4 Compressed
test t5 Compressed
test t6 Compressed
test t7 Compressed
test t8 Compressed
test t9 Dynamic
drop table t3, t4, t5, t6, t7, t8, t9, t10, t11;
create table t1 (id int primary key) engine = innodb
key_block_size = 8 row_format = compressed;
create table t2 (id int primary key) engine = innodb
key_block_size = 8 row_format = redundant;
ERROR HY000: Can't create table 'test.t2' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t2' (errno: 1478)
create table t3 (id int primary key) engine = innodb
key_block_size = 8 row_format = compact;
ERROR HY000: Can't create table 'test.t3' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t3' (errno: 1478)
create table t4 (id int primary key) engine = innodb
key_block_size = 8 row_format = dynamic;
ERROR HY000: Can't create table 'test.t4' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t4' (errno: 1478)
create table t5 (id int primary key) engine = innodb
key_block_size = 8 row_format = default;
ERROR HY000: Can't create table 'test.t5' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t5' (errno: 1478)
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t1 Compressed
drop table t1;
create table t1 (id int primary key) engine = innodb
key_block_size = 9 row_format = redundant;
ERROR HY000: Can't create table 'test.t1' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16]
Error 1478 InnoDB: cannot specify ROW_FORMAT = REDUNDANT with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t1' (errno: 1478)
create table t2 (id int primary key) engine = innodb
key_block_size = 9 row_format = compact;
ERROR HY000: Can't create table 'test.t2' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16]
Error 1478 InnoDB: cannot specify ROW_FORMAT = COMPACT with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t2' (errno: 1478)
create table t2 (id int primary key) engine = innodb
key_block_size = 9 row_format = dynamic;
ERROR HY000: Can't create table 'test.t2' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: invalid KEY_BLOCK_SIZE = 9. Valid values are [1, 2, 4, 8, 16]
Error 1478 InnoDB: cannot specify ROW_FORMAT = DYNAMIC with KEY_BLOCK_SIZE.
Error 1005 Can't create table 'test.t2' (errno: 1478)
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
set global innodb_file_per_table = off;
create table t1 (id int primary key) engine = innodb key_block_size = 1;
ERROR HY000: Can't create table 'test.t1' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Error 1005 Can't create table 'test.t1' (errno: 1478)
create table t2 (id int primary key) engine = innodb key_block_size = 2;
ERROR HY000: Can't create table 'test.t2' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Error 1005 Can't create table 'test.t2' (errno: 1478)
create table t3 (id int primary key) engine = innodb key_block_size = 4;
ERROR HY000: Can't create table 'test.t3' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Error 1005 Can't create table 'test.t3' (errno: 1478)
create table t4 (id int primary key) engine = innodb key_block_size = 8;
ERROR HY000: Can't create table 'test.t4' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Error 1005 Can't create table 'test.t4' (errno: 1478)
create table t5 (id int primary key) engine = innodb key_block_size = 16;
ERROR HY000: Can't create table 'test.t5' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_per_table.
Error 1005 Can't create table 'test.t5' (errno: 1478)
create table t6 (id int primary key) engine = innodb row_format = compressed;
ERROR HY000: Can't create table 'test.t6' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_per_table.
Error 1005 Can't create table 'test.t6' (errno: 1478)
create table t7 (id int primary key) engine = innodb row_format = dynamic;
ERROR HY000: Can't create table 'test.t7' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_per_table.
Error 1005 Can't create table 'test.t7' (errno: 1478)
create table t8 (id int primary key) engine = innodb row_format = compact;
create table t9 (id int primary key) engine = innodb row_format = redundant;
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t8 Compact
test t9 Redundant
drop table t8, t9;
set global innodb_file_per_table = on;
set global innodb_file_format = `0`;
create table t1 (id int primary key) engine = innodb key_block_size = 1;
ERROR HY000: Can't create table 'test.t1' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t1' (errno: 1478)
create table t2 (id int primary key) engine = innodb key_block_size = 2;
ERROR HY000: Can't create table 'test.t2' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t2' (errno: 1478)
create table t3 (id int primary key) engine = innodb key_block_size = 4;
ERROR HY000: Can't create table 'test.t3' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t3' (errno: 1478)
create table t4 (id int primary key) engine = innodb key_block_size = 8;
ERROR HY000: Can't create table 'test.t4' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t4' (errno: 1478)
create table t5 (id int primary key) engine = innodb key_block_size = 16;
ERROR HY000: Can't create table 'test.t5' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: KEY_BLOCK_SIZE requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t5' (errno: 1478)
create table t6 (id int primary key) engine = innodb row_format = compressed;
ERROR HY000: Can't create table 'test.t6' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: ROW_FORMAT=COMPRESSED requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t6' (errno: 1478)
create table t7 (id int primary key) engine = innodb row_format = dynamic;
ERROR HY000: Can't create table 'test.t7' (errno: 1478)
show errors;
Level Code Message
Error 1478 InnoDB: ROW_FORMAT=DYNAMIC requires innodb_file_format > Antelope.
Error 1005 Can't create table 'test.t7' (errno: 1478)
create table t8 (id int primary key) engine = innodb row_format = compact;
create table t9 (id int primary key) engine = innodb row_format = redundant;
SELECT table_schema, table_name, row_format
FROM information_schema.tables WHERE engine='innodb';
table_schema table_name row_format
test t8 Compact
test t9 Redundant
drop table t8, t9;
set global innodb_file_per_table=0;
set global innodb_file_format=Antelope;
set global innodb_file_per_table=on;
set global innodb_file_format=`Barracuda`;
set global innodb_file_format_check=`Antelope`;
create table normal_table (
c1 int
) engine = innodb;
select @@innodb_file_format_check;
@@innodb_file_format_check
Antelope
create table zip_table (
c1 int
) engine = innodb key_block_size = 8;
select @@innodb_file_format_check;
@@innodb_file_format_check
Barracuda
set global innodb_file_format_check=`Antelope`;
select @@innodb_file_format_check;
@@innodb_file_format_check
Antelope
show table status;
select @@innodb_file_format_check;
@@innodb_file_format_check
Barracuda
drop table normal_table, zip_table;

View File

@@ -1508,7 +1508,7 @@ t2 CREATE TABLE `t2` (
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop index id2 on t2;
drop index id on t2;
Got one of the listed errors
ERROR HY000: Cannot drop index 'id': needed in a foreign key constraint
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
@@ -1738,7 +1738,7 @@ count(*)
drop table t1;
show status like "Innodb_buffer_pool_pages_total";
Variable_name Value
Innodb_buffer_pool_pages_total 512
Innodb_buffer_pool_pages_total 511
show status like "Innodb_page_size";
Variable_name Value
Innodb_page_size 16384
@@ -1784,7 +1784,7 @@ innodb_sync_spin_loops 20
SET @old_innodb_thread_concurrency= @@global.innodb_thread_concurrency;
show variables like "innodb_thread_concurrency";
Variable_name Value
innodb_thread_concurrency 8
innodb_thread_concurrency 0
set global innodb_thread_concurrency=1001;
Warnings:
Warning 1292 Truncated incorrect thread_concurrency value: '1001'
@@ -2377,6 +2377,8 @@ t1 CREATE TABLE `t1` (
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop table t1;
create table t1 (v varchar(10), c char(10)) row_format=fixed;
Warnings:
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
@@ -3190,6 +3192,7 @@ t1 CREATE TABLE `t1` (
CONSTRAINT `t1_t2` FOREIGN KEY (`id`) REFERENCES `t2` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=349 DEFAULT CHARSET=latin1
DROP TABLE t1,t2;
set innodb_strict_mode=on;
CREATE TABLE t1 (
c01 CHAR(255), c02 CHAR(255), c03 CHAR(255), c04 CHAR(255),
c05 CHAR(255), c06 CHAR(255), c07 CHAR(255), c08 CHAR(255),

View File

@@ -1,8 +1,4 @@
SELECT f4, f8 FROM bug34300;
f4 f8
xxx zzz
ALTER TABLE bug34300 ADD COLUMN (f10 INT);
SELECT f4, f8 FROM bug34300;
f4 f8
xxx zzz
DROP TABLE bug34300;

View File

@@ -0,0 +1,5 @@
set @old_innodb_file_per_table=@@innodb_file_per_table;
set @old_innodb_file_format=@@innodb_file_format;
set @old_innodb_file_format_check=@@innodb_file_format_check;
SET GLOBAL innodb_file_format='Barracuda';
SET GLOBAL innodb_file_per_table=ON;

View File

@@ -0,0 +1 @@
SET storage_engine=InnoDB;

View File

@@ -0,0 +1,4 @@
SET TX_ISOLATION='READ-COMMITTED';
CREATE TABLE bug40360 (a INT) engine=innodb;
INSERT INTO bug40360 VALUES (1);
DROP TABLE bug40360;

View File

@@ -0,0 +1,4 @@
CREATE TABLE bug41904 (id INT PRIMARY KEY, uniquecol CHAR(15)) ENGINE=InnoDB;
INSERT INTO bug41904 VALUES (1,NULL), (2,NULL);
CREATE UNIQUE INDEX ui ON bug41904 (uniquecol);
DROP TABLE bug41904;

View File

@@ -0,0 +1,23 @@
lock_mode lock_type lock_table lock_index lock_rec lock_data
X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc'''''
X RECORD `test`.```t'\"_str` `PRIMARY` 2 '1', 'abc', '''abc', 'abc''', 'a''bc', 'a''bc''', '''abc'''''
X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""'
X RECORD `test`.```t'\"_str` `PRIMARY` 3 '2', 'abc', '"abc', 'abc"', 'a"bc', 'a"bc"', '"abc""'
X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\'
X RECORD `test`.```t'\"_str` `PRIMARY` 4 '3', 'abc', '\\abc', 'abc\\', 'a\\bc', 'a\\bc\\', '\\abc\\\\'
X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0'
X RECORD `test`.```t'\"_str` `PRIMARY` 5 '4', 'abc', '\0abc', 'abc\0', 'a\0bc', 'a\0bc\0', 'a\0bc\0\0'
X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0
X RECORD `test`.`t_min` `PRIMARY` 2 -128, 0, -32768, 0, -8388608, 0, -2147483648, 0, -9223372036854775808, 0
X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615
X RECORD `test`.`t_max` `PRIMARY` 2 127, 255, 32767, 65535, 8388607, 16777215, 2147483647, 4294967295, 9223372036854775807, 18446744073709551615
X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record
X RECORD `test`.```t'\"_str` `PRIMARY` 1 supremum pseudo-record
lock_table COUNT(*)
`test`.`t_max` 2
`test`.`t_min` 2
`test`.```t'\"_str` 10
lock_table COUNT(*)
"test"."t_max" 2
"test"."t_min" 2
"test"."`t'\""_str" 10

View File

@@ -0,0 +1,5 @@
SET @old_innodb_file_format=@@innodb_file_format;
SET @old_innodb_file_per_table=@@innodb_file_per_table;
SET @old_innodb_file_format_check=@@innodb_file_format_check;
SET GLOBAL innodb_file_format='Barracuda';
SET GLOBAL innodb_file_per_table=ON;

View File

@@ -1,4 +1,9 @@
#
# We need big packets.
#
SET @old_global_max_allowed_packet=@@global.max_allowed_packet;
SET @@global.max_allowed_packet= 1024*1024*1024;
#
# Preparatory cleanup.
#
DROP TABLE IF EXISTS t1;
@@ -7,10 +12,6 @@ DROP TABLE IF EXISTS t1;
#
SET timestamp=1000000000;
#
# We need big packets.
#
SET @@global.max_allowed_packet= 1024*1024*1024;
#
# Delete all existing binary logs.
#
RESET MASTER;
@@ -71,4 +72,5 @@ FLUSH LOGS;
# Cleanup.
#
DROP TABLE t1;
SET @@global.max_allowed_packet=@old_global_max_allowed_packet;
remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out

View File

@@ -72,6 +72,8 @@ Table Checksum
test.t1 4108368782
drop table if exists t1;
create table t1 (a int null, v varchar(100)) engine=innodb checksum=0 row_format=fixed;
Warnings:
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
insert into t1 values(null, null), (1, "hello");
checksum table t1;
Table Checksum

View File

@@ -72,6 +72,8 @@ Table Checksum
test.t1 3885665021
drop table if exists t1;
create table t1 (a int null, v varchar(100)) engine=innodb checksum=0 row_format=fixed;
Warnings:
Warning 1478 InnoDB: assuming ROW_FORMAT=COMPACT.
insert into t1 values(null, null), (1, "hello");
checksum table t1;
Table Checksum

View File

@@ -1,20 +1,20 @@
set session transaction_prealloc_size=1024*1024*1024*1;
show processlist;
Id User Host db Command Time State Info
# root localhost test Query 0 NULL show processlist
select @pid_temp = (select ID from information_schema.processlist) as 'TRUE';
TRUE
1
set session transaction_prealloc_size=1024*1024*1024*2;
show processlist;
Id User Host db Command Time State Info
# root localhost test Query 0 NULL show processlist
select @pid_temp = (select ID from information_schema.processlist) as 'TRUE';
TRUE
1
set session transaction_prealloc_size=1024*1024*1024*3;
show processlist;
Id User Host db Command Time State Info
# root localhost test Query 0 NULL show processlist
select @pid_temp = (select ID from information_schema.processlist) as 'TRUE';
TRUE
1
set session transaction_prealloc_size=1024*1024*1024*4;
show processlist;
Id User Host db Command Time State Info
# root localhost test Query 0 NULL show processlist
select @pid_temp = (select ID from information_schema.processlist) as 'TRUE';
TRUE
1
set session transaction_prealloc_size=1024*1024*1024*5;
show processlist;
Id User Host db Command Time State Info
# root localhost test Query 0 NULL show processlist
select @pid_temp = (select ID from information_schema.processlist) as 'TRUE';
TRUE
1